原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
8 f2 K4 m8 a: s* `! \9 c: @tvb now,tvbnow,bttvbfirst, compare 6 and another 6. they must have difference.
* i [: s) ?* L8 Xtvb now,tvbnow,bttvbsecond, divide those 6 heavier one into two, each has 3. u will find difference again.
" j* U, V# n0 J9 H公仔箱論壇third time, if u put 2 and they are equal, u will kno ... 8 q" k& c# @. [. B4 c3 F7 t7 |公仔箱論壇tvb now,tvbnow,bttvb3 v |8 [1 r% H+ c. ]
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |